Digital Collections

Rohm & Haas Company Archives

121 items

This collection consists of corporate records, photographs, and artifacts related to the Rohm and Haas Company, an international chemical corporation founded in 1907 in Esslingen, Germany through the partnership of German chemist Otto Röhm and German businessman Otto Haas. The materials digitized and available here primarily document the production and marketing of Plexiglas, as well as facilities associated with the Charles Lennig and Company, which operated as a subsidiary of Rohm and Haas from 1920 to 1947.